Negative feedback amplifier,申请号US19470743096-传众专利搜索

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发明名称	Negative feedback amplifier
摘要
申请公布号	US2547213(A)	申请公布日期	1951.04.03
申请号	US19470743096	申请日期	1947.04.22
申请人	ELECTRIC & MUSICAL INDUSTRIES LIMITED	发明人	JOHNSON LEONARD REGINALD JOFFRE;HOLLOWAY DENNIS GODSON;WHITE ERIC LAWRENCE CASLING
分类号	H03F1/36;H04N5/228	主分类号	H03F1/36
代理机构		代理人
主权项
地址

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